Search Results - "Oki, Tomoyuki"
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Functional components in sweetpotato and their genetic improvement
Published in Breeding Science (2017)“…In addition to the nutritionally important components such as starches, vitamins and minerals, storage roots and leaves of sweetpotato (Ipomoea batatas)…”
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2
The Major Source of Antioxidants Intake From Typical Diet Among Rural Farmers in North-eastern Japan in the 1990s
Published in Journal of epidemiology (05-02-2021)“…Previous Japanese studies have led to the erroneous conclusion of antioxidant capacity (AOC) intakes of the overall Japanese diet due to limitations in the…”
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3
Association between an Antioxidant-Rich Japanese Diet and Chronic Kidney Disease: The Ohasama Study
Published in Journal of Atherosclerosis and Thrombosis (01-04-2024)“…Aims: Although physiological effects of hydrophilic- (H-) and lipophilic- (L-) antioxidant capacities (AOCs) are suggested to differ, the association of an…”
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4
Antioxidant Capacities of Plant-Derived Foods Commonly Consumed in Japan
Published in Journal of Nutritional Science and Vitaminology (29-02-2020)“…To provide reliable data for high quality epidemiological studies examining the relationship between health and antioxidant intake from daily foods, 107…”
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Method Validation by Interlaboratory Studies of Improved Hydrophilic Oxygen Radical Absorbance Capacity Methods for the Determination of Antioxidant Capacities of Antioxidant Solutions and Food Extracts
Published in Analytical Sciences (2012)“…Hydrophilic oxygen radical absorbance capacity (H-ORAC) is a method for evaluating antioxidant capacities of solutions of hydrophilic compounds. In this study,…”
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Improvement and Interlaboratory Validation of the Lipophilic Oxygen Radical Absorbance Capacity: Determination of Antioxidant Capacities of Lipophilic Antioxidant Solutions and Food Extracts
Published in Analytical Sciences (2016)“…A lipophilic oxygen radical absorbance capacity (L-ORAC) assay is an evaluation of the antioxidant capacity of solutions of lipophilic compounds. The…”
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7
Rc and Rd genes are involved in proanthocyanidin synthesis in rice pericarp
Published in The Plant journal : for cell and molecular biology (01-01-2007)“…Different colors, such as purple, brown, red and white, occur in the pericarp of rice. Here, two genes affecting proanthocyanidin synthesis in red- and…”
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Single-laboratory validation for the determination of caffeic acid and seven caffeoylquinic acids in sweet potato leaves
Published in Bioscience, biotechnology, and biochemistry (02-12-2014)“…A single-laboratory validation study was conducted on an HPLC method for the detection and quantification of caffeic acid (CA) and seven species of…”
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Effect of repeated harvesting on the content of caffeic acid and seven species of caffeoylquinic acids in sweet potato leaves
Published in Bioscience, biotechnology, and biochemistry (03-08-2015)“…The purpose of this study was to investigate the effect of repeated harvesting on the content of caffeic acid (CA) and seven species of caffeoylquinic acids…”
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10
Extraction Efficiency of Hydrophilic and Lipophilic Antioxidants from Lyophilized Foods Using Pressurized Liquid Extraction and Manual Extraction
Published in Journal of food science (01-09-2014)“…The efficient extraction of antioxidants from food samples is necessary in order to accurately measure their antioxidant capacities. α‐Tocopherol and gallic…”
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Improvement of the Lipophilic-Oxygen Radical Absorbance Capacity (L-ORAC) Method and Single-Laboratory Validation
Published in Bioscience, biotechnology, and biochemistry (2013)“…We improved the procedure for lipophilic-oxygen radical absorbance capacity (L-ORAC) measurement for better repeatability and intermediate precision. A sealing…”
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12
100 W peak-power 1 GHz repetition picoseconds optical pulse generation using blue-violet GaInN diode laser mode-locked oscillator and optical amplifier
Published in Applied physics letters (12-07-2010)“…We have generated single-transverse-mode optical pulses with 100 W peak power and 3 ps duration at 1 GHz repetition from a blue-violet GaInN mode-locked laser…”
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13
Black Soybean Seed Coat Extract Prevents Hydrogen Peroxide-Mediated Cell Death via Extracellular Signal-Related Kinase Signalling in HepG2 Cells
Published in Journal of Nutritional Science and Vitaminology (2015)“…Oxidative stress reduces cell viability and contributes to disease processes. Flavonoids including anthocyanins and proanthocyanidins reportedly induce…”
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14
Enormously high-peak-power optical pulse generation from a single-transverse-mode GaInN blue-violet laser diode
Published in Applied physics letters (01-02-2010)“…We have demonstrated extraordinary optical pulse generation with a peak-power of 55 W and pulse duration of 15 ps by intense electrical pulse excitation of a…”
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15
Effects of purple sweet potato anthocyanins on development and intracellular redox status of bovine preimplantation embryos exposed to heat shock
Published in Journal of Reproduction and Development (01-06-2007)“…The development of cleavage stage preimplantation embryos is disrupted by exposure to heat shock, such as high temperatures in the summer season. In this…”
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16
Identification and evaluation of antioxidants in Japanese parsley
Published in International journal of food sciences and nutrition (18-05-2016)“…Two cultivars of Japanese parsley were harvested in different seasons; their antioxidant capacities were evaluated by oxygen radical absorbance capacity (ORAC)…”
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Estimated Average Daily Intake of Antioxidants from Typical Vegetables Consumed in Japan: A Preliminary Study
Published in Bioscience, biotechnology, and biochemistry (2010)“…The hydrophilic antioxidant content of 23 vegetables commonly consumed in Japan was assessed by the hydrophilic oxygen radical absorbance capacity (H-ORAC)…”
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18
Saturable absorbing dynamics of GaInN multiquantum well structures
Published in Applied physics letters (25-04-2011)“…We evaluated saturation energies and absorption recovery time dependent on reverse-bias voltage for a waveguide-coupled GaInN multiquantum well saturable…”
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Direct generation of 20 W peak power picosecond optical pulses from an external-cavity mode-locked GaInN laser diode incorporating a flared waveguide
Published in Applied physics letters (12-09-2011)“…We directly generated 1.6-ps optical pulses with a peak power of 20 W at a repetition of 1 GHz using a blue-violet GaInN mode-locked laser diode incorporating…”
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Effect of consuming a purple-fleshed sweet potato beverage on health-related biomarkers and safety parameters in Caucasian subjects with elevated levels of blood pressure and liver function biomarkers: a 4-week, open-label, non-comparative trial
Published in Bioscience of Microbiota, Food and Health (2016)“…An open-label study with one treatment arm was conducted to investigate changes in health-related biomarkers (blood pressure and liver enzyme activity) and the…”
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